脱式计算.48×5÷4 60×(52-47) (85+15)÷5 (540-370)×6 33×8÷6 585÷3÷5 819÷(3×

2025-05-20 22:44:52
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回答1:

48×5÷4
=240÷4
=60;

60×(52-47)
=60×5
=300;

(85+15)÷5
=100÷5
=20;

(540-370)×6
=170×6
=1020;

33×8÷6
=264÷6
=44;

585÷3÷5
=195÷5
=39;

819÷(3×3)
=819÷9
=91;

125×4×2
=500×2
=1000.